Transaction not yet indexed

668MeybKPLw8bGcP7o3tk6g7Bm8BuaQFfmFV4ampFAnY364sGP5LGCpiqQcXK217dnUqRW8L5YHxUv77LK8qBUB3

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.